1 files changed, 85 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/thinc/default.nix b/nixpkgs/pkgs/development/python-modules/thinc/default.nix
new file mode 100644
index 000000000000..79ae18d33eaa
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/thinc/default.nix
@@ -0,0 +1,85 @@
+{ stdenv
+, lib
+, buildPythonPackage
+, fetchPypi
+, pythonOlder
+, pytest
+, cython
+, cymem
+, darwin
+, msgpack-numpy
+, msgpack-python
+, preshed
+, numpy
+, murmurhash
+, pathlib
+, hypothesis
+, tqdm
+, cytoolz
+, plac
+, six
+, mock
+, wrapt
+, dill
+}:
+
+buildPythonPackage rec {
+  pname = "thinc";
+  version = "6.12.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1kkp8b3xcs3yn3ia5sxrh086c9xv27s2khdxd17abdypxxa99ich";
+  };
+
+  buildInputs = lib.optionals stdenv.isDarwin (with darwin.apple_sdk.frameworks; [
+    Accelerate CoreFoundation CoreGraphics CoreVideo
+  ]);
+
+  propagatedBuildInputs = [
+   cython
+   cymem
+   msgpack-numpy
+   msgpack-python
+   preshed
+   numpy
+   murmurhash
+   tqdm
+   cytoolz
+   plac
+   six
+   wrapt
+   dill
+  ] ++ lib.optional (pythonOlder "3.4") pathlib;
+
+
+  checkInputs = [
+    hypothesis
+    mock
+    pytest
+  ];
+
+  prePatch = ''
+    substituteInPlace setup.py \
+      --replace "pathlib==1.0.1" "pathlib>=1.0.0,<2.0.0" \
+      --replace "plac>=0.9.6,<1.0.0" "plac>=0.9.6" \
+      --replace "msgpack-numpy<0.4.4" "msgpack-numpy" \
+      --replace "wheel>=0.32.0,<0.33.0" "wheel" \
+      --replace "wrapt>=1.10.0,<1.11.0" "wrapt" \
+      --replace "msgpack>=0.5.6,<0.6.0" "msgpack"
+  '';
+
+  # Cannot find cython modules.
+  doCheck = false;
+
+  checkPhase = ''
+    pytest thinc/tests
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Practical Machine Learning for NLP in Python";
+    homepage = https://github.com/explosion/thinc;
+    license = licenses.mit;
+    maintainers = with maintainers; [ aborsu sdll ];
+    };
+}